- Rigid chassis
- WhichTractor size: High-power
- Lab tested ×1
- 2002–2005
It sits on the standard-size/high-power boundary, so either size is a fair description. WhichTractor size, not the maker’s category
Case-IH MX 255 Engine specifications
20 engine values on record for the MX 255.
Engine power, claimed · gross or net not stated
258.4 hp
192.7 kW as stated by the source
Not independently tested
Claimed · standard not stated by the source
Source · Traktorenlexikon, “Case-IH MX255”, claimed
What engine is in the diesel MX 255?
The diesel MX 255 has a CUMMINS 6 TAA-8304, a 6-cylinder 8.27 L diesel engine. Fitted to MX 255.
| Make & model | CUMMINS 6 TAA-8304 |
|---|---|
| Fuel | Diesel |
| Cylinders | 6 |
| Displacement | 504.5 ci · 8.27 L |
| Cooling | Liquid-cooled |
| Fuel injection | electronic Cummins injection pump |
| Maximum torque | 878 lb·ft · 1,191 N·m |
| Maximum torque speed | 1,400 rpm |
| Air cleaner | Fleetguard Nelson dry air filter with pre-separator |
| Cylinders | 6 |
| Displacement | 8.7 qt · 8.3 L |
| Bore | 4.5 in · 114 mm |
| Stroke | 5.3 in · 135 mm |
| Rated engine speed | 2,000 rpm |
| Torque rise | 52.6 % |
Source · Traktorenlexikon, “Case-IH MX255”
What engine is in an MX 255?
An MX 255 has a Consolidated Diesel 6TAA-8304, a 6-cylinder 8.27 L engine. Fitted to MX 255 (4 WD).
| Make & model | Consolidated Diesel 6TAA-8304 |
|---|---|
| Cylinders | 6 |
| Displacement | 504.5 ci · 8.27 L |
| Aspiration | Supercharged |
Source · OECD test report 2187, 2004
How much fuel does an MX 255 use?
On OECD Test 2188, the MX 255 used 13.11 gal/h (49.6 L/h) at maximum power.
| Fuel consumption, at maximum power | 13.11 gal/h · 49.6 L/h |
|---|---|
| Fuel consumption, at rated engine speed | 12.47 gal/h · 47.2 L/h |
| Fuel consumption, at standard PTO speed | 12.47 gal/h · 47.2 L/h |
| Engine speed, at maximum power | 1,650 rpm |
| Engine speed, at rated engine speed | 2,000 rpm |
| Engine speed, at standard PTO speed | 2,000 rpm |
| Maximum torque | 878 lb·ft · 1,191.0 N·m |
| Torque rise | 52.7% |
Source · OECD test report 2188, 2004
Where this page comes from
20 engine values from Traktorenlexikon, “Case-IH MX255”; OECD test report 2187, 2004; and OECD test report 2188, 2004.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- OECD Code 2 test report 2/2 187: New Holland TG 255 — Licence not stated by the publisher; facts cited, OECD-2187 · published 2004-10-25 · retrieved 2026-09-14. OECD. Original document
- OECD Code 2 test report 2/2 188: Case IH MX 255 — Licence not stated by the publisher; facts cited, OECD-2188 · published 2004-10-25 · retrieved 2026-09-14. OECD. Original document
- Traktorenlexikon: Case-IH MX255 — CC BY-SA 4.0, WIKIBOOKS-TL-90521 · revision 983929. Wikibooks contributors (Traktorenlexikon). Original document